Undertale is Toby Fox's 2015 role playing game about a child who falls into the Underground and has to find a way out. Its hook is that every encounter can be ended without killing: you dodge patterned attacks inside a small box, then use ACT and MERCY instead of FIGHT. A single run takes roughly six to seven hours, and the game quietly records what you chose to do along the way.
Choosing the right build shapes your entire experience. This guide breaks down every option: what they're good at, what they struggle with, and which one matches your playstyle. For optimized builds with full gear sets, see our builds guide.
Quick Comparison
| Build | Tier | Playstyle | Best Equipment | Beginner Friendly? |
|---|---|---|---|---|
| Neutral Route | A | Balanced | Stick | Yes |
| True Pacifist Route | A | Balanced | Toy Knife | Yes |
| Genocide Route | A | Balanced | Worn Dagger | Yes |
| Hard Mode | A | Balanced | Burnt Pan | Yes |
| No Hit Challenge Run | A | Balanced | Real Knife | Yes |
New player? Start with True Pacifist Route. See our beginner's guide for why.
Neutral Route
Neutral Route is a strong option in Undertale.
| Attribute | Detail |
|---|---|
| Tier | A |
| Playstyle | Balanced approach |
| Best Equipment | Stick |
| Stat Priority | Balanced stats |
| Core Gear | Best available |
| Key Mechanic | Bullet dodging in the SOUL box |
Strengths
- Highest overall performance across all content types
- Solid all-around choice
- Pairs well with Stick
Weaknesses
- Popular choice, competition for resources
- Needs specific gear to reach full potential
Recommended Progression
- Start in The Ruins to learn Neutral Route-specific mechanics
- Focus on Bullet dodging in the SOUL box. It's this build's primary system
- Prioritize Stick as your first major upgrade
- See our full Neutral Route build guide for the optimal gear progression
True Pacifist Route
True Pacifist Route is a strong option in Undertale.
| Attribute | Detail |
|---|---|
| Tier | A |
| Playstyle | Balanced approach |
| Best Equipment | Toy Knife |
| Stat Priority | Balanced stats |
| Core Gear | Best available |
| Key Mechanic | FIGHT, ACT, ITEM and MERCY |
Strengths
- Most versatile, adapts to any situation
- Solid all-around choice
- Pairs well with Toy Knife
Weaknesses
- Lower peak damage than S-tier options
- Needs specific gear to reach full potential
Recommended Progression
- Start in The Ruins to learn True Pacifist Route-specific mechanics
- Focus on FIGHT, ACT, ITEM and MERCY. It's this build's primary system
- Prioritize Toy Knife as your first major upgrade
- See our full True Pacifist Route build guide for the optimal gear progression
Genocide Route
Genocide Route is a strong option in Undertale.
| Attribute | Detail |
|---|---|
| Tier | A |
| Playstyle | Balanced approach |
| Best Equipment | Worn Dagger |
| Stat Priority | Balanced stats |
| Core Gear | Best available |
| Key Mechanic | LOVE, EXP and LV |
Strengths
- Best survivability for learning hard content
- Solid all-around choice
- Pairs well with Worn Dagger
Weaknesses
- Slower progression speed
- Needs specific gear to reach full potential
Recommended Progression
- Start in The Ruins to learn Genocide Route-specific mechanics
- Focus on LOVE, EXP and LV. It's this build's primary system
- Prioritize Worn Dagger as your first major upgrade
- See our full Genocide Route build guide for the optimal gear progression
Hard Mode
Hard Mode is a strong option in Undertale.
| Attribute | Detail |
|---|---|
| Tier | A |
| Playstyle | Balanced approach |
| Best Equipment | Burnt Pan |
| Stat Priority | Balanced stats |
| Core Gear | Best available |
| Key Mechanic | Coloured SOUL modes |
Strengths
- Excellent in group and cooperative content
- Solid all-around choice
- Pairs well with Burnt Pan
Weaknesses
- Less effective solo
- Requires deep game knowledge to use effectively
Recommended Progression
- Start in The Ruins to learn Hard Mode-specific mechanics
- Focus on Coloured SOUL modes. It's this build's primary system
- Prioritize Burnt Pan as your first major upgrade
- See our full Hard Mode build guide for the optimal gear progression
No Hit Challenge Run
No Hit Challenge Run is a strong option in Undertale.
| Attribute | Detail |
|---|---|
| Tier | A |
| Playstyle | Balanced approach |
| Best Equipment | Real Knife |
| Stat Priority | Balanced stats |
| Core Gear | Best available |
| Key Mechanic | Route tracking across a whole run |
Strengths
- Highest skill ceiling with unique mechanics
- Solid all-around choice
- Pairs well with Real Knife
Weaknesses
- Steep learning curve, punishing mistakes
- Requires deep game knowledge to use effectively
Recommended Progression
- Start in The Ruins to learn No Hit Challenge Run-specific mechanics
- Focus on Route tracking across a whole run. It's this build's primary system
- Prioritize Real Knife as your first major upgrade
- See our full No Hit Challenge Run build guide for the optimal gear progression
Which Build Should You Pick?
For Beginners
True Pacifist Route is the clear winner. It's forgiving, teaches core mechanics, and remains competitive into endgame. Follow our beginner's guide for the best first-session experience.
For Maximum Performance
Neutral Route is the top pick once you understand the game's mechanics. Pair it with Stick for the strongest overall setup.
For a Challenge
No Hit Challenge Run offers the highest skill ceiling. It's punishing when misplayed but incredibly rewarding when mastered. Only recommended after you've completed the game with another build.
For Group Play
Hard Mode shines in cooperative content with utility and team support capabilities.
More Undertale Guides
- Undertale Undertale Overview
- Undertale Best Builds
- Undertale Tier List
- Undertale Walkthrough
- Undertale Beginner's Guide
- Undertale Tips & Tricks
- Undertale Weapons Guide
- Undertale Combat Guide
- Undertale Boss Guide
- Undertale Maps & Locations
- Undertale Crafting Guide
Similar Games
If you enjoy Undertale, check out these related guides:
- Elden Ring Classes Guide: rpg game with similar mechanics
- Baldur's Gate 3 Classes Guide: rpg game with similar mechanics
- Cyberpunk 2077 Classes Guide: rpg game with similar mechanics
